diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c index 7c584db27c9..24f61b4b56c 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c @@ -763,7 +763,8 @@ static void mxs_batt_boot(void) &power_regs->hw_power_5vctrl_set); } - mxs_power_enable_4p2(); + if (CONFIG_IS_ENABLED(MXS_PMU_ENABLE_4P2_LINEAR_REGULATOR)) + mxs_power_enable_4p2(); } /** diff --git a/arch/arm/mach-imx/mxs/Kconfig b/arch/arm/mach-imx/mxs/Kconfig index f5e45ae8467..5cffc26103a 100644 --- a/arch/arm/mach-imx/mxs/Kconfig +++ b/arch/arm/mach-imx/mxs/Kconfig @@ -63,6 +63,13 @@ config SPL_MXS_PMU_DISABLE_BATT_CHARGE bool "Disable Battery Charging in MX28 PMU" default n +config SPL_MXS_PMU_ENABLE_4P2_LINEAR_REGULATOR + bool "Enable the 4P2 linear regulator in MX28 PMU" + default y + help + This option enables the 4P2 linear regulator (derived + from VDD5V) - so the VDD4P2 power source is operational. + source "board/freescale/mx28evk/Kconfig" source "board/liebherr/xea/Kconfig"